Waste-to-biochar project turning organic residues into high-carbon soil and climate benefits.

Thermal decomposition of biomass in an oxygen-depleted atmosphere (pyrolysis) produces bio-oil, syngas and char. Biochar, the stable carbon-rich char, can be applied to soils to improve fertility and sequester carbon long-term, contributing to climate change mitigation. Located in South East Queensland, Australia, the project converts organic waste, macadamia, pecan, and walnut shells, along with used pine pallets, into high-quality biochar using Pyrocal’s CCT systems. These materials, which would otherwise be landfilled or incinerated, yield 250–270 kg of biochar per metric ton of feedstock, with carbon contents ranging from 81–88%. The resulting biochar is sold as a soil amendment and livestock feed additive, ensuring 100% of the feedstock is diverted from waste disposal.

Queensland, Australia

Pyrocal Biochar, Australia

This project aims to protect and restore Kakamega’s fragile landscapes.

Kenya

Restoring Kakamega Forest – Phase 4

Working with smallholder farmers to restore soil health, improve yields, and fight climate change.

Agroforestry in Kenya

Supporting around 400 farmers to develop Forest Gardens in Tanzania.

Tanzania

Forest Gardens in Mwanza, Tanzania

Hillside forest restoration and aroforestry

Restoring the Butiama Hills landscape in Tanzania

The Tahuexco project aims to restore the mangrove canopy for the benefit of local people and nature.

Guatemala

Mangrove restoration in Guatemala

Esteros de Acapan is a project restoring a degraded tropical woody savannah area.

Forest restoration in Guatemala

Protect vital forests and communities through impactful REDD+ projects across the globe.

Vichada, Colombia

REDD+ projects we support around the world

Boosting crops and capturing carbon with enhanced rock weathering in Canada

Ecologi is currently supporting UNDO’s Canadian projects, which focuses on engaging with farming communities to remove megatonnes of carbon alongside socio-economic benefits. The project partners with Canadian Wollastonite, who specialise in the mining and crushing of the fast-weathering mineral, wollastonite.   Enhanced Rock Weathering (ERW) accelerates the natural weathering of silicate minerals by applying crushed silicate rocks such as basalt, olivine, and wollastonite to the soil. Wollastonite is a highly effective mineral for ERW as a carbon capture method. It absorbs CO₂ much faster than other silicate rocks, requires less material per ton of CO₂ stored, and can be reapplied to land annually.  Wollastonite has a wealth of co-benefits for farmers and their land. When the rock weathers, it releases calcium, magnesium, and silicon, as well as other major and minor nutrients into the soil. This results in higher crop yields, increased pest resistance, and improvement in the pH of soils. The crushed rock can be spread on any type of cropland, and reduces the need for CO2-emitting lime inputs in fields. 

Ontario, Canada

Enhanced Rock Weathering with UNDO in Canada

The project reduces greenhouse gas emissions by capturing and utilising methane generated from waste

São Paulo State, Brazil

Landfill Gas in Brazil

This community-led project transforms invasive Prosopis juliflora and cotton stalks into biochar

Without this project, Prosopis would remain a net emitter, either through natural decay, which releases CO₂ and methane, or through its traditional use as fuelwood, where it is burned, emitting all its stored carbon immediately. 

Gujarat, India

Carbon Sequestration and Grassland Restoration In India

The Humbo Assisted Natural Regeneration Project focuses on restoring indigenous tree species

The Project activities involve funding seven community cooperatives, which are in charge of project implementation and management. 195 jobs have been created as a result of the operation and management of the forestry Cooperatives, Union, and cooperative-run businesses. Training is also offered and undertaken by community groups, with 208 participants at the Carbon stock estimation/Monitoring session, 178 attending the training on Forest Management, and 276 attending a forest protection steering committee stakeholders review meeting.

Abela Gefeta, Ethiopia

Humbo Natural Regeneration in South Western Ethiopia

Using biochar carbon removal to remove carbon and enrich soils

This project will help create {{x}} jobs.

Surrey , United Kingdom

Producing biochar from waste biomass in Surrey

This project is restoring peatland damaged by wildfire in the Goyt Valley.

This project supports the restoration of UK peatland - {{x}}% of which is degraded or in decline

United Kingdom

Peatland restoration in the UK

This project will help to reverse seagrass loss in the UK — up to {{x}}% has been lost since 1936

Seagrass restoration and research

This project will sequester {{x}} tonnes of carbon dioxide per year

Australia

Carbon removal through reforestation in Australia

Restoring mangroves for blue carbon avoidance, Morrosquillo

Gulf of Morrosquillo, Colombia

Blue Carbon in the Gulf of Morrosquillo

Actively protects 32,000 hectares of forest n Paraguay 

This project will prevent the emission of {{1272472} tCO₂e annually

Paraguay

Protecting forests in Paraguay

Turning waste into clean energy in Turkey

Preventing an average of {{858,714}} tonnes of CO₂e emissions each year.

Turkey

Regenerating agricultural land to remove carbon

Regenerative agriculture supports sustainable farming practices that sequester carbon, improve soil health, enhance biodiversity, and boost climate resilience.

Global

This project avoid an estimated {{x}} tonnes of emissions per year

Zambia

Providing Safe Water in Zambia

Valdosta, Georgia, United States

Producing biochar using waste biomass in the USA

Boosting crops and soil whilst permanently locking up CO₂ with UNDO

By increasing the surface area of the basalt rock, CO₂ is captured approximately {{x}} times faster than in the natural world.

Scotland, United Kingdom

Transforming waste into biogas in Cambodia

Preventing an average of {{x}} tonnes of CO₂e emissions each year.

Cambodia

Preserving over 73000 hectares of Brazilian rainforest 

This project will prevent the emission of {{x}} tCO₂e over 30 years

Cujubim, Rondônia, Brazil

Conserving the Amazon in Brazil

Uganda

Fuel-efficient cookstoves in Uganda

Planting forest gardens in Namayingo District, Uganda

Busoga, Uganda

Planting forest gardens in Busoga, Uganda

Mpimbwe, Tanzania

Greening Mpimbwe Campaign in Southern Highlands of Tanzania

Bulambuli District, Uganda

Community-led reforestation of Mount Elgon Water Tower, Uganda

Supporting afforestation and reforestation through verified carbon projects

Afforestation and reforestation could remove up to {{x}} gigatonnes of carbon dioxide per year by 2050

Verified Afforestation, Reforestation and Revegetation (ARR) projects

Restoring blue carbon ecosystems to health

Healthy mangrove ecosystems can absorb {{x}} tonnes of carbon dioxide per year

Restoring blue carbon ecosystems

Wildflower, Wetland and Wildlife restoration

{{x}}% of the UK's wildflower meadows have been lost since the 1930s

Restoring Wildflowers, Wetlands and Wildlife

Somalia

Cleaner cookstoves in Somalia

Wales, United Kingdom

Producing biochar from waste biomass in Wales

Preventing the emission of 432,128 tonnes of CO2e every year through wind power

South Dakota, United States

Generating wind power in the United States

Preventing {{x}} tonnes of CO₂e emissions each year.

Ouarzazate, Morocco

Solar power project in Morocco

Using biochar to remove carbon and enrich soils

Preserving over 166,000 hectares of Cambodian rainforest

This project will prevent the emission of {{x}} tCO2e over the first 10 years

Mondulkiri province, Cambodia

Protecting rainforest in a wildlife sanctuary in Cambodia

This project will avoid more than {{x}} tonnes of CO2e emissions each year

India

High efficiency cookstoves in India

Preventing an average of {{x}} tonnes of CO2e emissions each year.

Kerala, India

Turning local organic waste into electricity in India

Restoring part of the Atlantic Forest in Brazil

Minas Gerais, Brazil

Restoring degraded land in Brazil

Preventing {{x}} tonnes of CO2e emissions each year.

Pringgabaya, Indonesia

Solar PV electricity generation in Indonesia

Preventing 18,768 tonnes of CO2e through wind power annually

This project generates a net energy output of {{x}} GWh per year.

Mampuri, Sri Lanka

Small-scale onshore wind power in Sri Lanka

Reducing deforestation and degradation in the Vichada region of Colombia

This project will prevent an estimated {{x}} tonnes of CO₂e emissions per year, during its 30 year lifespan

Protection of the Matavén forest in eastern Colombia

Using landfill methane to produce electricity

This project will avoid {{x}} tonnes of greenhouse gas emissions each year.

Kayseri, Turkey

Capturing waste biogas for energy in Turkey

This project will mean more than {{x}} tonnes of woody biomass are saved each year

Distributing cleaner cookstoves in Kenya

Turning methane gas into electricity in Brazil

This project is expected to produce {{x}}MWh of energy during its lifetime. 

Sabará, Minas Gerais, Brazil

Avoiding methane emissions from landfill in Brazil

Tambacounda, Senegal

Restoring degraded land in Senegal

Jabi-Tehnan, Ethiopia

A flourishing future for Gewocha Forest, Ethiopia

Preserving over 445,000 hectares of Cambodian rainforest

This project will prevent the emission of {{x}} tCO2e over the project's lifetime

Koh Kong province, Cambodia

Protecting globally important rainforest in Cambodia

Kakamega County, Kenya

Restoring the last fragment of tropical rainforest in Kenya

Planting species of coastal mangroves in northern Madagascar

Kandrany 2, Madagascar

Mangrove planting at Kandrany, Madagascar

Belavenika, Madagascar

Mangrove planting at Belavenika, Madagascar

Producing energy from captured methane in India

This project will prevent {{x}} tonnes of greenhouse gas emissions each year.

Gujurat, India

Capturing methane to reduce emissions and generate energy in India

Preserving over 70,000 hectares of the Amazon rainforest in Brazil

This project is protecting {{x}} hectares of native forest from being cut down.

Mato Grosso, Brazil

Rainforest protection in central Brazil

Planting terrestrial and coastal species in sites across Mozambique

Irregele Milato, Mozambique

Mangrove planting in Irregele Milato, Mozambique

Planting terrestrial species in sites across Mozambique

Mussuquelane, Mozambique

Reforestation in Mussuquelane, Mozambique

Reducing deforestation and degradation in the Tambopata-Bahuaja Biodiversity Reserve in Peru

This project will prevent over {{x}} tonnes of CO₂e emissions over its 20 year lifespan.

Tambopata-Bahuaja Biodiversity Reserve, Peru

Protecting the Tambopata-Bahuaja Biodiversity Reserve in Peru

Preventing the emission of 131,883 tonnes of CO2e every year through wind power

This project avoids {{x}} tonnes of CO2e emissions each year.

Theparak, Thailand

Wind power project in Thailand

High efficiency cookstoves in Tanzania

This project is avoiding {{x}} tonnes of CO2e emissions each year.

Binh Thuan, Vietnam

Solar power project in Vietnam

Preventing the emission of 433,929 tonnes of CO2e every year through wind power

This project has provided healthcare for {{x}} local people through a mobile clinic

De Aar, South Africa

Wind power project in South Africa

Iringa, Tanzania

Planting forest gardens in Tanzania

Aswan, Egypt

Generating renewable solar electricity in Egypt

Dundori, Kenya

Planting trees and supporting water security in Kenyan forests

Protecting 248,956 hectares of forest in western DRC

This project will prevent over {{x}} tonnes of CO2e emissions over its 31 year lifespan.

User dolispa

Delhi , India

User dolispa's impact forest

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